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BOSTON MARATHON 2023

Viviane Bossy

Bib: 27365•F

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:26/mi
32:25
↑ 97↓ 3451.5%
10K· 6.21 mi
10:08/mi
1:03:54
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:36:38
↑ 67↓ 78
20K· 12.43 mi
10:39/mi
2:09:43
↑ 106↓ 860.1%
Half· 13.11 mi
10:35/mi
2:16:56
↑ 19↓ 370.5%
25K· 15.53 mi
11:36/mi
2:45:04
↑ 66↓ 880.2%
30K· 18.64 mi
12:39/mi
3:24:23
↑ 181↓ 1480.2%
20M
14:03/mi
3:43:28
↑ 64↓ 500.2%
21M
14:03/mi
3:57:31
↑ 106↓ 241.6%
35K· 21.75 mi
12:34/mi
4:06:55
↑ 17↓ 861.7%
23M
12:36/mi
4:22:41
↑ 23↓ 630.6%
24M
12:35/mi
4:35:16
↓ 821.3%
40K· 24.85 mi
13:32/mi
4:46:50
↓ 200.3%
25.2M
17:35/mi
4:52:54
↑ 13↓ 160.2%
Finish· 26.22 mi
12:15/mi
5:05:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:56
Pace10:27 /mi
2nd Half
Distance13.11 mi
Time2:48:27
Pace12:51 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5032:2510:2632:25
10:26
-
10K
6.21 mi12:23:191:03:5410:1731:29
10:08
-0:18
15K
9.32 mi12:56:031:36:3810:2232:44
10:32
+0:24
20K
12.43 mi13:29:082:09:4310:2633:05
10:39
+0:07
Half
13.11 mi13:36:212:16:5610:277:13
10:35
-0:04
25K
15.53 mi14:04:292:45:0410:3828:08
11:36
+1:01
30K
18.64 mi14:43:483:24:2310:5839:19
12:39
+1:03
20M
20.00 mi15:02:533:43:2811:1019:05
14:03
+1:24
21M
21.00 mi15:16:563:57:3111:1914:03
14:03
0:00
35K
21.75 mi15:26:204:06:5511:219:24
12:34
-1:29
23M
23.00 mi15:42:064:22:4111:2515:46
12:36
+0:02
24M
24.00 mi15:54:414:35:1611:2812:35
12:35
-0:01
40K
24.85 mi16:06:154:46:5011:3211:34
13:32
+0:57
25.2M
25.20 mi16:12:194:52:5411:376:04
17:35
+4:03
Finish
26.22 mi16:24:485:05:2311:3912:29
12:15
-5:20

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:08 /mi

Average Pace

11:39 /mi

Slowest Pace

17:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:04

54% of race

Time at Steady Pace

1:29:33

29% of race

Time at Slower Pace

50:46

17% of race

Average Pace: 11:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:51:5032:2510:2632:25
10:26
#24551
10K
6.21 mi12:23:191:03:5410:1731:29
10:08
#24232
15K
9.32 mi12:56:031:36:3810:2232:44
10:32
#24363
20K
12.43 mi13:29:082:09:4310:2633:05
10:39
#24309
Half
13.11 mi13:36:212:16:5610:277:13
10:35
#24310
25K
15.53 mi14:04:292:45:0410:3828:08
11:36
#24403
30K
18.64 mi14:43:483:24:2310:5839:19
12:39
#24613
20M
20.00 mi15:02:533:43:2811:1019:05
14:03
#24807
21M
21.00 mi15:16:563:57:3111:1914:03
14:03
#24831
35K
21.75 mi15:26:204:06:5511:219:24
12:34
#24872
23M
23.00 mi15:42:064:22:4111:2515:46
12:36
#24888
24M
24.00 mi15:54:414:35:1611:2812:35
12:35
#24927
40K
24.85 mi16:06:154:46:5011:3211:34
13:32
#24966
25.2M
25.20 mi16:12:194:52:5411:376:04
17:35
#25032
Finish
26.22 mi16:24:485:05:2311:3912:29
12:15
#25059
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi24551101891018924524(Top 92%)10196(Top 89%)10196(Top 561%)
10K6.21 mi3.10 mi24232+31910016+17310016+17323987(Top 90%)9882(Top 87%)9882(Top 544%)
15K9.32 mi3.11 mi24363-13110086-7010086-7024524(Top 92%)10196(Top 89%)10196(Top 561%)
20K12.43 mi3.11 mi24309+5410069+1710069+1724100(Top 91%)9969(Top 87%)9969(Top 549%)
Half13.11 mi0.68 mi24310-1100691006924360(Top 92%)10137(Top 89%)10137(Top 558%)
25K15.53 mi2.42 mi24403-9310135-6610135-6624800(Top 93%)10402(Top 91%)10402(Top 572%)
30K18.64 mi3.11 mi24613-21010266-13110266-13125142(Top 94%)10648(Top 93%)10648(Top 586%)
20M20.00 mi1.36 mi24807-19410388-12210388-12225853(Top 97%)11046(Top 97%)11046(Top 608%)
21M21.00 mi1.00 mi24831-2410402-1410402-1425072(Top 94%)10649(Top 93%)10649(Top 586%)
35K21.75 mi0.75 mi24872-4110444-4210444-4225241(Top 95%)10780(Top 94%)10780(Top 593%)
23M23.00 mi1.25 mi24888-1610456-1210456-1224686(Top 93%)10479(Top 92%)10479(Top 577%)
24M24.00 mi1.00 mi24927-3910487-3110487-3125145(Top 94%)10753(Top 94%)10753(Top 592%)
40K24.85 mi0.85 mi24966-3910512-2510512-2525375(Top 95%)10857(Top 95%)10857(Top 598%)
25.2M25.20 mi0.35 mi25032-6610552-4010552-4026461(Top 99%)11364(Top 99%)11364(Top 625%)
Finish26.22 mi1.02 mi25059-2710573-2110573-2125468(Top 96%)10897(Top 95%)10897(Top 600%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24524

Females

10196

F45-49

10196

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23987

Females

9882

F45-49

9882

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24524

Females

10196

F45-49

10196

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24100

Females

9969

F45-49

9969

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24360

Females

10137

F45-49

10137

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24800

Females

10402

F45-49

10402

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25142

Females

10648

F45-49

10648

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25853

Females

11046

F45-49

11046

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25072

Females

10649

F45-49

10649

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

25241

Females

10780

F45-49

10780

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24686

Females

10479

F45-49

10479

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

25145

Females

10753

F45-49

10753

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25375

Females

10857

F45-49

10857

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26461

Females

11364

F45-49

11364

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25468

Females

10897

F45-49

10897

Passing Analysis

Category:
Athletes Passed
819
Passed By
1327
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24551
5K → 10K38768+319#24551#24232
10K → 15K79210-131#24232#24363
15K → 20K12571+54#24363#24309
20K → Half2425-1#24309#24310
Half → 25K52145-93#24310#24403
25K → 30K48258-210#24403#24613
30K → 20M8202-194#24613#24807
20M → 21M1943-24#24807#24831
21M → 35K1657-41#24831#24872
35K → 23M2339-16#24872#24888
23M → 24M1554-39#24888#24927
24M → 40K1655-39#24927#24966
40K → 25.2M066-66#24966#25032
25.2M → Finish734-27#25032#25059
TOTALS8191327-508
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing